3222202221 has 24 divisors (see below), whose sum is σ = 5553003840. Its totient is φ = 1841257656.

The previous prime is 3222202213. The next prime is 3222202231. The reversal of 3222202221 is 1222022223.

3222202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3222202221 - 2³ = 3222202213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3222202194 and 3222202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222202201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216441 + ... + 1219086.

It is an arithmetic number, because the mean of its divisors is an integer number (231375160).

Almost surely, 2^3222202221 is an apocalyptic number.

It is an amenable number.

3222202221 is a deficient number, since it is larger than the sum of its proper divisors (2330801619).

3222202221 is a wasteful number, since it uses less digits than its factorization.

3222202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435550 (or 2435537 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3222202221 is about 56764.4450426497. The cubic root of 3222202221 is about 1477.0128178099.

Adding to 3222202221 its reverse (1222022223), we get a palindrome (4444224444).

The spelling of 3222202221 in words is "three billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".